Toyota Corolla Instruction Manual page 251

Front side sensors

Approximate distance to
obstacle
Less than 25 cm
(0.8 ft.)
Center sensors

Approximate distance to
obstacle
Front: 100 to 55 cm
(3.3 to 1.8 ft.)
Rear: 150 to 55 cm
(4.9 to 1.8 ft.)
55 to 42.5 cm
(1.8 to 1.4 ft.)
42.5 to 30 cm
(1.4 to 1.0 ft.)
Less than 30 cm
(1.0 ft.)
Corolla_TMMT_EE (OM12F04E)
4-5. Using the driving support systems
Multi-information
display
Multi-information
display
251
Buzzer
Continuous
Buzzer
Slow
Medium
Fast
Continuous
4